Fiat 500 Abarth Owner's Manual page 19

1. Press the mechanical key release button and release
the mechanical key to access the battery case screw
located on the side of the Key Fob.
Mechanical Key Release Button
THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 17
2. Rotate the screw located on the side of the Key Fob
using a small screwdriver.
Key Fob Screw Location
3. Take out the battery case. Remove and replace the
battery observing its polarity.
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